NUVEEN TAX EXEMPT UNIT TRUST SERIES 757
497, 1994-10-13
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<PAGE>
NUVEEN  Tax-Exempt Unit Trusts
     NUVEEN
     NATIONAL
     INSURED
     TRUST 279
 
            Estimated Current Return
            5.99% to 6.23%
            as of 10/11/94
 
            Estimated Long Term Return
            6.11% to 6.34%
             100,000 units in a
             diversified $10,000,000
             portfolio of tax-exempt
             bonds rated "AAA"
                  Cusip:
                  6710A3 258 Monthly Payment Option
                  6710A3 266 Quarterly Payment Option
                  6710A3 274 Semi-Annual Payment Option
 
                  Registered in all states
                    John Nuveen & Co. Incorporated
                    Investment Bankers
 
<TABLE>
<S>                           <C>
Chicago:                      Atlanta
333 W. Wacker Dr.             Austin
Chicago, Illinois 60606       Boca Raton
Telephone: 312.917.7700       Boston
                              Columbus
New York:                     Dallas/Ft. Worth
Swiss Bank Tower              Irvine
10 East 50th Street           Philadelphia
New York, New York 10022      Phoenix
Telephone: 212.207.2000       San Francisco
                              Seattle
                              Tampa
                              Washington, D.C.
</TABLE>
 
<PAGE>
- --------------------------------------------------------------------------------
 
NUVEEN TAX-EXEMPT UNIT TRUST--INSURED, NATIONAL INSURED TRUST 279
SCHEDULE OF INVESTMENTS
DATE OF DEPOSIT OCTOBER 12, 1994
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                             Ratings
                                                                                    Optional         -----------------------
  Aggregate            Name of Issuer and Title of Issue Represented               Redemption        Standard
  Principal               by Sponsor's Contracts to Purchase Bonds                 Provisions        & Poor's       Moody's
  <C>       <C> <S>                                                              <C>                 <C>           <C>
  --------------------------------------------------------------------------------------------------------------------------
  $1,000,000    California Educational Facilities Authority, Revenue Bonds         2004 at 102          AAA           Aaa
                  (Loyola Marymount University), Series 1994, 5.75% Due
                  10/1/24.
   1,000,000    The City of Los Angeles, California, Wastewater System             2003 at 102          AAA           Aaa
                  Revenue Bonds, Refunding Series 1993-A, 5.80% Due 6/1/21.
   1,000,000    Metropolitan Pier and Exposition Authority (Illinois),             2003 at 102          AAA           Aaa
                  McCormick Place Expansion Project Bonds, Series 1992A,
                  6.50% Due 6/15/27.
     450,000    Metropolitan Pier and Exposition Authority (Illinois),             2004 at 102          AAA           Aaa
                  McCormick Place Expansion Project Refunding Bonds, Series
                  1994A, 6.00% Due 6/15/27. (Original issue discount bonds
                  delivered on or about June 23, 1994 at a price of 93.881%
                  of principal amount.)
   1,000,000    Illinois Development Finance Authority, Pollution Control          2004 at 102          AAA           Aaa
                  Refunding Revenue Bonds, 1994 Series A (Illinois Power
                  Company Project), 5.70% Due 2/1/24.
   1,000,000    Indiana Health Facility Financing Authority, Hospital              2003 at 102          AAA           Aaa
                  Revenue Bonds, Series 1993 (Lafayette Home Hospital
                  Project), 6.00% Due 8/1/23.
     625,000    Massachusetts Bay Transportation Authority, General                2003 at 102          AAA           Aaa
                  Transportation System Bonds, 1993 Series A Refunding,
                  5.50% Due 3/1/22. (General Obligation Bonds.)
   1,000,000    Metropolitan Transportation Authority, New York, Commuter          2004 at 101          AAA           Aaa
                  Facilities Revenue Bonds, Series 1994A, 6.50% Due 7/1/24.            1/2
   1,000,000    Harris County Health Facilities (Texas), Development               2004 at 101          AAA           Aaa
                  Corporation Hospital Revenue Bonds (Hermann Hospital),
                  Series 1994, 6.375% Due 10/1/24.
   1,000,000    Texas Health Facilities Development Corporation, Hospital          2003 at 102          AAA           Aaa
                  Revenue Bonds (All Saints Episcopal Hospitals of Fort
                  Worth Project), Series 1993B, 6.25% Due 8/15/22.
     925,000    Washington Public Power Supply System, Nuclear Project No. 1       2003 at 102          AAA           Aaa
                  Refunding Revenue Bonds, Series 1993A, 5.70% Due 7/1/17.
  ----------
  $10,000,000
  ----------
  ----------
</TABLE>
 
<PAGE>
- --------------------------------------------------------------------------------
UNIT PRICE, ESTIMATED CURRENT RETURN AND ESTIMATED LONG TERM RETURN DEPEND ON
AMOUNT PURCHASED AND PAYMENT OPTION
Sales charge/volume discount applies on all concurrent purchases of any Nuveen
trust units. Estimated Current Return equals net income divided by offering
price. Estimated Long Term Return represents an average of the yields to
maturity (or call) of the Bonds in the Trust adjusted to reflect expenses and
sales charges.
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                          Estimated Current Return (2)
                                                              -----------------------------------------------------
          AMOUNT PURCHASED                         Public
- -------------------------------------  Sales      Offering          Monthly         Quarterly       Semi-Annual
     Units              Dollars        Charge     Price (1)         Payment          Payment          Payment
- ----------------  -------------------  ------    -----------     -------------    -------------    -------------
<S>               <C>                  <C>       <C>         <C>                <C>              <C>
50-499                 $5,000-$49,999   4.90 %   $     96.99          5.99%            6.02%            6.04%
500-999                 50,000-99,999   4.75           96.84          6.00             6.03             6.05
1,000-2,499           100,000-249,999   4.50           96.59          6.02             6.05             6.07
2,500-4,999           250,000-499,999   4.25           96.33          6.03             6.06             6.08
5,000-9,999           500,000-999,999   3.50           95.59          6.08             6.11             6.13
10,000-24,999     1,000,000-2,499,999   3.00           95.09          6.11             6.14             6.16
25,000-49,999     2,500,000-4,999,999   2.50           94.61          6.14             6.18             6.20
50,000 and over    5,000,000 and over   2.00           94.12          6.17             6.21             6.23
</TABLE>
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         Estimated Long Term Return (3)
                                                              -----------------------------------------------------
          AMOUNT PURCHASED                         Public
- -------------------------------------  Sales      Offering          Monthly         Quarterly       Semi-Annual
     Units              Dollars        Charge     Price (1)         Payment          Payment          Payment
- ----------------  -------------------  ------    -----------     -------------    -------------    -------------
<S>               <C>                  <C>       <C>         <C>                <C>              <C>
50-499                 $5,000-$49,999   4.90 %   $     96.99          6.11%            6.13%            6.15%
500-999                 50,000-99,999   4.75           96.84          6.11             6.14             6.16
1,000-2,499           100,000-249,999   4.50           96.59          6.13             6.16             6.18
2,500-4,999           250,000-499,999   4.25           96.33          6.14             6.17             6.19
5,000-9,999           500,000-999,999   3.50           95.59          6.20             6.22             6.24
10,000-24,999     1,000,000-2,499,999   3.00           95.09          6.23             6.26             6.28
25,000-49,999     2,500,000-4,999,999   2.50           94.61          6.26             6.29             6.31
50,000 and over    5,000,000 and over   2.00           94.12          6.29             6.32             6.34
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
(1) As of the business day prior to the Date of Deposit. Units are offered at
    the Public Offering Price plus accrued interest.
(2) All figures as of the business day prior to Date of Deposit. The estimated
    current return for purchases made on such date will be as shown, as long as
    the portfolio size and composition remain the same.
(3) In contrast to Estimated Current Return, Estimated Long Term Return reflects
    the amortization of premium or accretion of discount, if any, on the bonds
    in the Trust's portfolio.
 
- --------------------------------------------------------------------------------
 
REINVESTMENT OPTIONS   Specify automatic reinvestment of trust income, with no
sales charge, to earn compounded dividends with Nuveen mutual funds.
- --------------------------------------------------------------------------------
 
INTEREST DISTRIBUTIONS TO UNITHOLDERS   Unitholders may elect to have interest
distributions made on a monthly, quarterly, or semi-annual basis. Record Dates
are May 1 and November 1 for semi-annual distributions; February 1, May 1,
August 1 and November 1 for quarterly distributions; and the first of each month
for monthly distributions. Details of interest distributions per unit under the
various plans appear in the following table based upon estimated net annual
interest income at the Date of Deposit:
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                          Normal
                                                                                                      Distributions
National Insured Trust                    1994                             1995                         per Year +
<S>                                     <C>            <C>            <C>            <C>            <C>
- ----------------------------------------------------------------------------------------------------  --------------
Record Date*..........................       11/1            2/1            5/1            8/1
Distribution Date.....................      11/15           2/15           5/15           8/15
- --------------------------------------------------------------------------------------------------------------------
Monthly Distribution Plan.............  $   .3064(1)                                                  $  5.8104
                                                          --------  $.4839 every month  --------
Quarterly Distribution Plan...........  $   .3064(1)   $  1.4598(2)   $  1.4598      $  1.4598        $  5.8424
Semi-Annual Distribution Plan.........  $   .3064(1)                  $  2.9304(3)                    $  5.8614
- --------------------------------------------------------------------------------------------------------------------
<FN>
  * Record Dates for semi-annual distributions are May 1 and November 1; for quarterly distributions, they are February 1, May 1,
    August 1 and November 1. Record Dates for monthly distributions are the first day of each month.
(1) The first distribution will be paid to all Unitholders, regardless of the distribution plan selected. Such distribution may
    be more or less than a regular monthly distribution.
(2) Regular 3-month distribution.
(3) Regular 6-month distribution.
</TABLE>
 
+ Interest for Unitholders of this series began to accrue as of the Date of
Deposit. Units purchased on the Date of Deposit will have $.11 of accrued
interest that will be added to the Public Offering Price on the Settlement Date.
After provision for expenses of the Fund, the daily rate of accrual from the
Date of Deposit to the first Record Date is $.01613 per unit per day.
Consequently, on the first Record Date (11/01/94), accrued interest will total
$0.3064 per unit for the 19-day period. All interest accrued from the Date of
Deposit to the first Record Date, less expenses, will be distributed on the
first Distribution Date to Unitholders of Record as of the first Record Date.
The first payment to all Unitholders of Record on 11/01/94 is $.3064 per unit.
After the first Record Date daily rates of accrual are:
              Monthly - $0.01613              Quarterly - $0.01622
                             Semi-Annual - $0.01628
This daily rate of accrual, and the annual distributions shown above, will
remain the same as long as the portfolio size and composition remain the same.
 
- --------------------------------------------------------------------------------
<PAGE>
- -------------------------------------------------
 
DIVERSIFICATION OF PORTFOLIO INCOME
 
There are 11 Tax-exempt bond issues in this trust; this diversified portfolio
yields current income from issuers in 7 states.
- -------------------------------------------------------
<TABLE>
<CAPTION>
                   Percent
                   of Total
                   Income
<S>                    <C>        <C>
- ------------------------
                                  %
California                  19.2
Illinois                    24.7
Indiana                     10.0
Massachusetts                5.7
 
<CAPTION>
                   Percent
                   of Total
                   Income
- ------------------------
<S>                    <C>        <C>
                                  %
New York                    10.8
Texas                       20.9
Washington                   8.7
</TABLE>
 
- -------------------------------------------------
 
AVERAGE PORTFOLIO LIFE The average maturity
of portfolio bonds is 28.8 years. The first bond is scheduled to mature in July,
2017, with the last bond maturity being June, 2027.
 
- -------------------------------------------------
 
BONDS INSURED BY MBIA   Each bond in this Nuveen Insured series has been
insured* by the Municipal Bond Investors Assurance Corporation, which guarantees
timely payments of principal and interest. Premium payments have been fully paid
by the Date of Deposit.
 
- -------------------------------------------------
 
CALL PROTECTION   Bonds are first subject to optional redemption by the issuers
in the years and at the prices shown under the Redemption Provisions column in
the Schedule of Investments. Unless otherwise stated, in subsequent years, bonds
are redeemable at declining prices, but not usually below par value. Some issues
or some portions of issues may also be subject to sinking fund redemption or
extraordinary redemption without premium prior to the dates shown.
 
- -------------------------------------------------
 
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER AGENCY AND
INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.
 
- -------------------------------------------------
 
* Insurance relates specifically to the bonds and not to the units or to the
  market value of units. Terms of the insurance are more fully described in the
  prospectus. No representation is made as to the insurer's ability to meet its
  commitments. See Section 5 of the prospectus for details.
 
- -------------------------------------------------------
 
FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION, INCLUDING CHARGES AND
EXPENSES, ON THIS NUVEEN TAX-EXEMPT UNIT TRUST AND ANY OTHER NUVEEN FUND, CALL
YOUR BROKER . . . OR NUVEEN AT
 
                                 1-800-257-8787
 
READ THE PROSPECTUS CAREFULLY BEFORE YOU INVEST OR SEND MONEY.
 
757
<PAGE>
NUVEEN  Tax-Exempt Unit Trusts
     NUVEEN
     ARIZONA
     INSURED
     TRUST 35
 
            Estimated Current Return
            5.64% to 5.86%
            as of 10/11/94
 
            Estimated Long Term Return
            5.93% to 6.16%
             35,000 units in a
             diversified $3,500,000
             portfolio of tax-exempt
             bonds rated "AAA"
                  Cusip:
                  67101J 345 Monthly Payment Option
                  67101J 352 Quarterly Payment Option
                  67101J 360 Semi-Annual Payment Option
 
                  Registered in Arizona
                    John Nuveen & Co. Incorporated
                    Investment Bankers
 
<TABLE>
<S>                           <C>
Chicago:                      Atlanta
333 W. Wacker Dr.             Austin
Chicago, Illinois 60606       Boca Raton
Telephone: 312.917.7700       Boston
                              Columbus
New York:                     Dallas/Ft. Worth
Swiss Bank Tower              Irvine
10 East 50th Street           Philadelphia
New York, New York 10022      Phoenix
Telephone: 212.207.2000       San Francisco
                              Seattle
                              Tampa
                              Washington, D.C.
</TABLE>
 
<PAGE>
- --------------------------------------------------------------------------------
 
NUVEEN TAX-EXEMPT UNIT TRUST--INSURED, ARIZONA INSURED TRUST 35
SCHEDULE OF INVESTMENTS
DATE OF DEPOSIT OCTOBER 12, 1994
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                             Ratings
                                                                                    Optional         -----------------------
  Aggregate            Name of Issuer and Title of Issue Represented               Redemption        Standard
  Principal               by Sponsor's Contracts to Purchase Bonds                 Provisions        & Poor's       Moody's
  <C>       <C> <S>                                                              <C>                 <C>           <C>
  --------------------------------------------------------------------------------------------------------------------------
  $  500,000    Arizona Health Facilities Authority, Samaritan Health              2003 at 102          AAA           Aaa
                  System, Hospital System Revenue Refunding Bonds, Series
                  1993, 5.625% Due 12/1/15.
     525,000    Navajo County, Arizona, Pollution Control Corporation,             2003 at 102          AAA           Aaa
                  Pollution Control Revenue Refunding Bonds (Arizona Public
                  Service Company), 1993 Series A, 5.50% Due 8/15/28.
     500,000    Navapache Hospital District of Navajo and Apache Counties,         2004 at 101          AAA           Aaa
                  Arizona, Hospital Refunding Bonds, Series 1993, 5.40% Due
                  6/1/12. (General Obligation Bonds.)
     250,000    City of Phoenix Civic Improvement Corporation (Arizona),           2004 at 102          AAA           Aaa
                  Wastewater System Lease Revenue Refunding Bonds, Series
                  1993, 5.00% Due 7/1/18.
     250,000    City of Phoenix, Arizona, Water System Revenue Refunding           2003 at 101          AAA           Aaa
                  Bonds, Series 1993, 5.50% Due 7/1/22.
     450,000    Salt River Project Agricultural Improvement and Power              2003 at 102          AAA           Aaa
                  District, Arizona, Salt River Project Electric System
                  Refunding Revenue Bonds, 1993 Series B, 5.25% Due 1/1/11.
     525,000    City of Tucson, Arizona, Water System Revenue Refunding            2002 at 102          AAA           Aaa
                  Bonds, Series 1992A, 5.75% Due 7/1/18. (Original issue
                  discount bonds delivered on or about October 6, 1992 at a
                  price of 93.63% of principal amount.)
     500,000    Commonwealth of Puerto Rico, Public Improvement Refunding          2003 at 100          AAA           Aaa
                  Bonds, Series 1993 (General Obligation Bonds.), 5.00% Due
                  7/1/21. (Original issue discount bonds delivered on or
                  about July 15, 1993 at a price of 90.01% of principal
                  amount.)
  ----------
  $3,500,000
  ----------
  ----------
</TABLE>
 
<PAGE>
- --------------------------------------------------------------------------------
UNIT PRICE, ESTIMATED CURRENT RETURN AND ESTIMATED LONG TERM RETURN DEPEND ON
AMOUNT PURCHASED AND PAYMENT OPTION
Sales charge/volume discount applies on all concurrent purchases of any Nuveen
trust units. Estimated Current Return equals net income divided by offering
price. Estimated Long Term Return represents an average of the yields to
maturity (or call) of the Bonds in the Trust adjusted to reflect expenses and
sales charges.
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                          Estimated Current Return (2)
                                                              -----------------------------------------------------
          AMOUNT PURCHASED                         Public
- -------------------------------------  Sales      Offering          Monthly         Quarterly       Semi-Annual
     Units              Dollars        Charge     Price (1)         Payment          Payment          Payment
- ----------------  -------------------  ------    -----------     -------------    -------------    -------------
<S>               <C>                  <C>       <C>         <C>                <C>              <C>
50-499                 $5,000-$49,999   4.90 %   $     91.79          5.64%            5.67%            5.69%
500-999                 50,000-99,999   4.75           91.64          5.64             5.68             5.70
1,000-2,499           100,000-249,999   4.50           91.40          5.66             5.69             5.72
2,500-4,999           250,000-499,999   4.25           91.16          5.67             5.71             5.73
5,000-9,999           500,000-999,999   3.50           90.46          5.72             5.75             5.77
10,000-24,999     1,000,000-2,499,999   3.00           89.99          5.75             5.78             5.80
25,000-49,999     2,500,000-4,999,999   2.50           89.53          5.78             5.81             5.83
50,000 and over    5,000,000 and over   2.00           89.07          5.81             5.84             5.86
</TABLE>
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         Estimated Long Term Return (3)
                                                              -----------------------------------------------------
          AMOUNT PURCHASED                         Public
- -------------------------------------  Sales      Offering          Monthly         Quarterly       Semi-Annual
     Units              Dollars        Charge     Price (1)         Payment          Payment          Payment
- ----------------  -------------------  ------    -----------     -------------    -------------    -------------
<S>               <C>                  <C>       <C>         <C>                <C>              <C>
50-499                 $5,000-$49,999   4.90 %   $     91.79          5.93%            5.96%            5.98%
500-999                 50,000-99,999   4.75           91.64          5.93             5.97             5.99
1,000-2,499           100,000-249,999   4.50           91.40          5.95             5.99             6.01
2,500-4,999           250,000-499,999   4.25           91.16          5.96             6.00             6.02
5,000-9,999           500,000-999,999   3.50           90.46          6.01             6.05             6.07
10,000-24,999     1,000,000-2,499,999   3.00           89.99          6.04             6.08             6.10
25,000-49,999     2,500,000-4,999,999   2.50           89.53          6.07             6.11             6.13
50,000 and over    5,000,000 and over   2.00           89.07          6.11             6.15             6.16
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
(1) As of the business day prior to the Date of Deposit. Units are offered at
    the Public Offering Price plus accrued interest.
(2) All figures as of the business day prior to Date of Deposit. The estimated
    current return for purchases made on such date will be as shown, as long as
    the portfolio size and composition remain the same.
(3) In contrast to Estimated Current Return, Estimated Long Term Return reflects
    the amortization of premium or accretion of discount, if any, on the bonds
    in the Trust's portfolio.
 
- --------------------------------------------------------------------------------
 
INTEREST DISTRIBUTIONS TO UNITHOLDERS   Unitholders may elect to have interest
distributions made on a monthly, quarterly, or semi-annual basis. Record Dates
are May 1 and November 1 for semi-annual distributions; February 1, May 1,
August 1 and November 1 for quarterly distributions; and the first of each month
for monthly distributions. Details of interest distributions per unit under the
various plans appear in the following table based upon estimated net annual
interest income at the Date of Deposit:
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                          Normal
                                                                                                      Distributions
Arizona Insured Trust                     1994                             1995                         per Year +
<S>                                     <C>            <C>            <C>            <C>            <C>
- ----------------------------------------------------------------------------------------------------  --------------
Record Date*..........................       11/1            2/1            5/1            8/1
Distribution Date.....................      11/15           2/15           5/15           8/15
- --------------------------------------------------------------------------------------------------------------------
Monthly Distribution Plan.............  $   .2728(1)                                                  $  5.1729
                                                          --------  $.4308 every month  --------
Quarterly Distribution Plan...........  $   .2728(1)   $  1.3005(2)   $  1.3005      $  1.3005        $  5.2049
Semi-Annual Distribution Plan.........  $   .2728(1)                  $  2.6118(3)                    $  5.2239
- --------------------------------------------------------------------------------------------------------------------
<FN>
  * Record Dates for semi-annual distributions are May 1 and November 1; for quarterly distributions, they are February 1, May 1,
    August 1 and November 1. Record Dates for monthly distributions are the first day of each month.
(1) The first distribution will be paid to all Unitholders, regardless of the distribution plan selected. Such distribution may
    be more or less than a regular monthly distribution.
(2) Regular 3-month distribution.
(3) Regular 6-month distribution.
</TABLE>
 
+ Interest for Unitholders of this series began to accrue as of the Date of
Deposit. Units purchased on the Date of Deposit will have $.10 of accrued
interest that will be added to the Public Offering Price on the Settlement Date.
After provision for expenses of the Fund, the daily rate of accrual from the
Date of Deposit to the first Record Date is $.01436 per unit per day.
Consequently, on the first Record Date (11/01/94), accrued interest will total
$0.2728 per unit for the 19-day period. All interest accrued from the Date of
Deposit to the first Record Date, less expenses, will be distributed on the
first Distribution Date to Unitholders of Record as of the first Record Date.
The first payment to all Unitholders of Record on 11/01/94 is $.2728 per unit.
After the first Record Date daily rates of accrual are:
              Monthly - $0.01436              Quarterly - $0.01445
                             Semi-Annual - $0.01451
This daily rate of accrual, and the annual distributions shown above, will
remain the same as long as the portfolio size and composition remain the same.
 
- --------------------------------------------------------------------------------
 
                                                          757
<PAGE>
- -------------------------------------------------------
 
AVERAGE PORTFOLIO LIFE   The average maturity of portfolio bonds is 23.8 years.
The first bond is scheduled to mature in January, 2011, with the last bond
maturity being August, 2028.
 
- -------------------------------------------------------
 
BONDS INSURED BY MBIA   Each bond in this Nuveen Insured series has been
insured* by the Municipal Bond Investors Assurance Corporation, which guarantees
timely payments of principal and interest. Premium payments have been fully paid
by the Date of Deposit.
 
- -------------------------------------------------------
 
CALL PROTECTION   Bonds are first subject to optional redemption by the issuers
in the years and at the prices shown under the Redemption Provisions column in
the Schedule of Investments. Unless otherwise stated, in subsequent years, bonds
are redeemable at declining prices, but not usually below par value. Some issues
or some portions of issues may also be subject to sinking fund redemption or
extraordinary redemption without premium prior to the dates shown.
 
- -------------------------------------------------------
 
NO CHARGE FOR REDEMPTION   The Trustee, United States Trust Company of New York,
will redeem units at net asset value. In addition, John Nuveen & Co.
Incorporated intends to maintain a secondary market for this Nuveen Tax-Exempt
Unit Trust. Inasmuch as all securities investments are subject to market price
fluctuation, net asset value at the time of redemption could be more or less
than the initial investment.
 
- -------------------------------------------------------
 
REINVESTMENT OPTIONS   Specify automatic reinvestment of trust income, with no
sales charge, to earn compounded dividends with Nuveen mutual funds.
 
- -------------------------------------------------------
 
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER AGENCY AND
INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.
 
- -------------------------------------------------------
* Insurance relates specifically to the bonds and not to the units or to the
  market value of units. Terms of the insurance are more fully described in the
  prospectus. No representation is made as to the insurer's ability to meet its
  commitments. See Section 5 of the prospectus for details.
 
- -------------------------------------------------------
 
FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION, INCLUDING CHARGES AND
EXPENSES, ON THIS NUVEEN TAX-EXEMPT UNIT TRUST AND ANY OTHER NUVEEN FUND, CALL
YOUR BROKER . . . OR NUVEEN AT
 
                                 1-800-257-8787
 
READ THE PROSPECTUS CAREFULLY BEFORE YOU INVEST OR SEND MONEY.
<PAGE>
NUVEEN  Tax-Exempt Unit Trusts
     NUVEEN
     NEW JERSEY
     INSURED
     TRUST 181
 
            Estimated Current Return
            5.80% to 6.03%
            as of 10/11/94
 
            Estimated Long Term Return
            5.90% to 6.14%
             35,000 units in a
             diversified $3,500,000
             portfolio of tax-exempt
             bonds rated "AAA"
                  Cusip:
                  6706L6 463 Monthly Payment Option
                  6706L6 471 Quarterly Payment Option
                  6706L6 489 Semi-Annual Payment Option
 
                  Registered in New Jersey
                    John Nuveen & Co. Incorporated
                    Investment Bankers
 
<TABLE>
<S>                           <C>
Chicago:                      Atlanta
333 W. Wacker Dr.             Austin
Chicago, Illinois 60606       Boca Raton
Telephone: 312.917.7700       Boston
                              Columbus
New York:                     Dallas/Ft. Worth
Swiss Bank Tower              Irvine
10 East 50th Street           Philadelphia
New York, New York 10022      Phoenix
Telephone: 212.207.2000       San Francisco
                              Seattle
                              Tampa
                              Washington, D.C.
</TABLE>
 
<PAGE>
- --------------------------------------------------------------------------------
 
NUVEEN TAX-EXEMPT UNIT TRUST--INSURED, NEW JERSEY INSURED TRUST 181
SCHEDULE OF INVESTMENTS
DATE OF DEPOSIT OCTOBER 12, 1994
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                             Ratings
                                                                                    Optional         -----------------------
  Aggregate            Name of Issuer and Title of Issue Represented               Redemption        Standard
  Principal               by Sponsor's Contracts to Purchase Bonds                 Provisions        & Poor's       Moody's
  <C>       <C> <S>                                                              <C>                 <C>           <C>
  --------------------------------------------------------------------------------------------------------------------------
  $  500,000    New Jersey Economic Development Authority, Economic                2003 at 102          AAA           Aaa
                  Development Revenue Bonds (Greater New York Councils, Boy
                  Scouts of America-1993 Project), 5.45% Due 9/1/23.
     500,000    New Jersey Educational Facilities Authority, Revenue Bonds,        2004 at 102          AAA           Aaa
                  New Jersey Institute of Technology Issue, Series 1994A,
                  6.00% Due 7/1/24.
     500,000    New Jersey Health Care Facilities Financing Authority,             2004 at 100          AAA           Aaa
                  Revenue Bonds, Jersey Shore Medical Center Obligated Group
                  Issue, Series 1994, 5.875% Due 7/1/24. (Original issue
                  discount bonds delivered on or about July 1, 1994 at a
                  price of 93.036% of principal amount.)
     500,000    New Jersey Turnpike Authority, Turnpike Revenue Bonds,             No Optional          AAA           Aaa
                  Series 1991C, 6.50% Due 1/1/16.                                     Call
     500,000    The Hudson County Improvement Authority Facility Lease             2002 at 102          AAA           Aaa
                  Revenue Bonds (New Jersey) (Hudson County Lease Project,
                  Series 1992), 6.00% Due 12/1/25. (General Obligation
                  Bonds.)
     500,000    The Pollution Control Financing Authority of Salem County          2004 at 102          AAA           Aaa
                  (New Jersey), Pollution Control Revenue Refunding Bonds,
                  1994 Series C (Public Service Electric and Gas Company
                  Project), 6.20% Due 8/1/30.
     500,000    Commonwealth of Puerto Rico, Public Improvement Refunding          2003 at 100          AAA           Aaa
                  Bonds, Series 1993 (General Obligation Bonds.), 5.00% Due
                  7/1/21. (Original issue discount bonds delivered on or
                  about July 15, 1993 at a price of 90.01% of principal
                  amount.)
  ----------
  $3,500,000
  ----------
  ----------
</TABLE>
 
<PAGE>
- --------------------------------------------------------------------------------
UNIT PRICE, ESTIMATED CURRENT RETURN AND ESTIMATED LONG TERM RETURN DEPEND ON
AMOUNT PURCHASED AND PAYMENT OPTION
Sales charge/volume discount applies on all concurrent purchases of any Nuveen
trust units. Estimated Current Return equals net income divided by offering
price. Estimated Long Term Return represents an average of the yields to
maturity (or call) of the Bonds in the Trust adjusted to reflect expenses and
sales charges.
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                          Estimated Current Return (2)
                                                              -----------------------------------------------------
          AMOUNT PURCHASED                         Public
- -------------------------------------  Sales      Offering          Monthly         Quarterly       Semi-Annual
     Units              Dollars        Charge     Price (1)         Payment          Payment          Payment
- ----------------  -------------------  ------    -----------     -------------    -------------    -------------
<S>               <C>                  <C>       <C>         <C>                <C>              <C>
50-499                 $5,000-$49,999   4.90 %   $     97.06          5.80%            5.83%            5.85%
500-999                 50,000-99,999   4.75           96.90          5.81             5.84             5.86
1,000-2,499           100,000-249,999   4.50           96.65          5.82             5.86             5.88
2,500-4,999           250,000-499,999   4.25           96.40          5.84             5.87             5.89
5,000-9,999           500,000-999,999   3.50           95.65          5.89             5.92             5.94
10,000-24,999     1,000,000-2,499,999   3.00           95.15          5.92             5.95             5.97
25,000-49,999     2,500,000-4,999,999   2.50           94.67          5.95             5.98             6.00
50,000 and over    5,000,000 and over   2.00           94.18          5.98             6.01             6.03
</TABLE>
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         Estimated Long Term Return (3)
                                                              -----------------------------------------------------
          AMOUNT PURCHASED                         Public
- -------------------------------------  Sales      Offering          Monthly         Quarterly       Semi-Annual
     Units              Dollars        Charge     Price (1)         Payment          Payment          Payment
- ----------------  -------------------  ------    -----------     -------------    -------------    -------------
<S>               <C>                  <C>       <C>         <C>                <C>              <C>
50-499                 $5,000-$49,999   4.90 %   $     97.06          5.90%            5.93%            5.95%
500-999                 50,000-99,999   4.75           96.90          5.90             5.94             5.96
1,000-2,499           100,000-249,999   4.50           96.65          5.92             5.96             5.98
2,500-4,999           250,000-499,999   4.25           96.40          5.93             5.97             5.99
5,000-9,999           500,000-999,999   3.50           95.65          5.98             6.02             6.04
10,000-24,999     1,000,000-2,499,999   3.00           95.15          6.01             6.05             6.07
25,000-49,999     2,500,000-4,999,999   2.50           94.67          6.05             6.08             6.10
50,000 and over    5,000,000 and over   2.00           94.18          6.08             6.12             6.14
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
(1) As of the business day prior to the Date of Deposit. Units are offered at
    the Public Offering Price plus accrued interest.
(2) All figures as of the business day prior to Date of Deposit. The estimated
    current return for purchases made on such date will be as shown, as long as
    the portfolio size and composition remain the same.
(3) In contrast to Estimated Current Return, Estimated Long Term Return reflects
    the amortization of premium or accretion of discount, if any, on the bonds
    in the Trust's portfolio.
 
- --------------------------------------------------------------------------------
 
INTEREST DISTRIBUTIONS TO UNITHOLDERS   Unitholders may elect to have interest
distributions made on a monthly, quarterly, or semi-annual basis. Record Dates
are May 1 and November 1 for semi-annual distributions; February 1, May 1,
August 1 and November 1 for quarterly distributions; and the first of each month
for monthly distributions. Details of interest distributions per unit under the
various plans appear in the following table based upon estimated net annual
interest income at the Date of Deposit:
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                          Normal
                                                                                                      Distributions
New Jersey Insured Trust                  1994                             1995                         per Year +
<S>                                     <C>            <C>            <C>            <C>            <C>
- ----------------------------------------------------------------------------------------------------  --------------
Record Date*..........................       11/1            2/1            5/1            8/1
Distribution Date.....................      11/15           2/15           5/15           8/15
- --------------------------------------------------------------------------------------------------------------------
Monthly Distribution Plan.............  $   .2969(1)                                                  $  5.6295
                                                          --------  $.4689 every month  --------
Quarterly Distribution Plan...........  $   .2969(1)   $  1.4148(2)   $  1.4148      $  1.4148        $  5.6615
Semi-Annual Distribution Plan.........  $   .2969(1)                  $  2.8386(3)                    $  5.6805
- --------------------------------------------------------------------------------------------------------------------
<FN>
  * Record Dates for semi-annual distributions are May 1 and November 1; for quarterly distributions, they are February 1, May 1,
    August 1 and November 1. Record Dates for monthly distributions are the first day of each month.
(1) The first distribution will be paid to all Unitholders, regardless of the distribution plan selected. Such distribution may
    be more or less than a regular monthly distribution.
(2) Regular 3-month distribution.
(3) Regular 6-month distribution.
</TABLE>
 
+ Interest for Unitholders of this series began to accrue as of the Date of
Deposit. Units purchased on the Date of Deposit will have $.11 of accrued
interest that will be added to the Public Offering Price on the Settlement Date.
After provision for expenses of the Fund, the daily rate of accrual from the
Date of Deposit to the first Record Date is $.01563 per unit per day.
Consequently, on the first Record Date (11/01/94), accrued interest will total
$0.2969 per unit for the 19-day period. All interest accrued from the Date of
Deposit to the first Record Date, less expenses, will be distributed on the
first Distribution Date to Unitholders of Record as of the first Record Date.
The first payment to all Unitholders of Record on 11/01/94 is $.2969 per unit.
After the first Record Date daily rates of accrual are:
              Monthly - $0.01563              Quarterly - $0.01572
                             Semi-Annual - $0.01577
This daily rate of accrual, and the annual distributions shown above, will
remain the same as long as the portfolio size and composition remain the same.
 
- --------------------------------------------------------------------------------
 
                                                          757
<PAGE>
- -------------------------------------------------------
 
AVERAGE PORTFOLIO LIFE   The average maturity of portfolio bonds is 29.0 years.
The first bond is scheduled to mature in January, 2016, with the last bond
maturity being August, 2030.
 
- -------------------------------------------------------
 
BONDS INSURED BY MBIA   Each bond in this Nuveen Insured series has been
insured* by the Municipal Bond Investors Assurance Corporation, which guarantees
timely payments of principal and interest. Premium payments have been fully paid
by the Date of Deposit.
 
- -------------------------------------------------------
 
CALL PROTECTION   Bonds are first subject to optional redemption by the issuers
in the years and at the prices shown under the Redemption Provisions column in
the Schedule of Investments. Unless otherwise stated, in subsequent years, bonds
are redeemable at declining prices, but not usually below par value. Some issues
or some portions of issues may also be subject to sinking fund redemption or
extraordinary redemption without premium prior to the dates shown.
 
- -------------------------------------------------------
 
NO CHARGE FOR REDEMPTION   The Trustee, United States Trust Company of New York,
will redeem units at net asset value. In addition, John Nuveen & Co.
Incorporated intends to maintain a secondary market for this Nuveen Tax-Exempt
Unit Trust. Inasmuch as all securities investments are subject to market price
fluctuation, net asset value at the time of redemption could be more or less
than the initial investment.
 
- -------------------------------------------------------
 
REINVESTMENT OPTIONS   Specify automatic reinvestment of trust income, with no
sales charge, to earn compounded dividends with Nuveen mutual funds.
 
- -------------------------------------------------------
 
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER AGENCY AND
INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.
 
- -------------------------------------------------------
 
* Insurance relates specifically to the bonds and not to the units or to the
  market value of units. Terms of the insurance are more fully described in the
  prospectus. No representation is made as to the insurer's ability to meet its
  commitments. See Section 5 of the prospectus for details.
 
- -------------------------------------------------------
 
FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION, INCLUDING CHARGES AND
EXPENSES, ON THIS NUVEEN TAX-EXEMPT UNIT TRUST AND ANY OTHER NUVEEN FUND, CALL
YOUR BROKER . . . OR NUVEEN AT
 
                                 1-800-257-8787
<PAGE>
READ THE PROSPECTUS CAREFULLY BEFORE YOU INVEST OR SEND MONEY.
<PAGE>
NUVEEN  Tax-Exempt Unit Trusts
     NUVEEN
     NEW YORK
     INSURED
     TRUST 224
 
            Estimated Current Return
            5.88% to 6.11%
            as of 10/11/94
 
            Estimated Long Term Return
            5.98% to 6.21%
             35,000 units in a
             diversified $3,500,000
             portfolio of tax-exempt
             bonds rated "AAA"
                  Cusip:
                  6706H5 791 Monthly Payment Option
                  6706H5 809 Quarterly Payment Option
                  6706H5 817 Semi-Annual Payment Option
 
                  Registered in New York, Connecticut & Florida
                    John Nuveen & Co. Incorporated
                    Investment Bankers
 
<TABLE>
<S>                           <C>
Chicago:                      Atlanta
333 W. Wacker Dr.             Austin
Chicago, Illinois 60606       Boca Raton
Telephone: 312.917.7700       Boston
                              Columbus
New York:                     Dallas/Ft. Worth
Swiss Bank Tower              Irvine
10 East 50th Street           Philadelphia
New York, New York 10022      Phoenix
Telephone: 212.207.2000       San Francisco
                              Seattle
                              Tampa
                              Washington, D.C.
</TABLE>
 
<PAGE>
- --------------------------------------------------------------------------------
 
NUVEEN TAX-EXEMPT UNIT TRUST--INSURED, NEW YORK INSURED TRUST 224
SCHEDULE OF INVESTMENTS
DATE OF DEPOSIT OCTOBER 12, 1994
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                             Ratings
                                                                                    Optional         -----------------------
  Aggregate            Name of Issuer and Title of Issue Represented               Redemption        Standard
  Principal               by Sponsor's Contracts to Purchase Bonds                 Provisions        & Poor's       Moody's
  <C>       <C> <S>                                                              <C>                 <C>           <C>
  --------------------------------------------------------------------------------------------------------------------------
  $  500,000    Dormitory Authority of the State of New York, City                 No Optional          AAA           Aaa
                  University System Consolidated Second General Resolution            Call
                  Revenue Bonds, Series 1993A, 5.75% Due 7/1/18.
     500,000    New York State Housing Finance Agency, Service Contract            2003 at 102          AAA           Aaa
                  Obligation Revenue Bonds, 1993 Series A, 5.50% Due
                  9/15/22. (Original issue discount bonds delivered on or
                  about March 18, 1993 at a price of 94.746% of principal
                  amount.)
     500,000    New York Local Government Assistance Corporation (A Public         2004 at 101          AAA           Aaa
                  Benefit Corporation of the State of New York), Series                1/2
                  1994A Bonds, 5.50% Due 4/1/23.
     500,000    New York State Medical Care Facilities Finance Agency,             2004 at 102          AAA           Aaa
                  Mental Health Services Facilities Improvement Revenue
                  Bonds, 1994 Series E, 6.50% Due 8/15/24. (General
                  Obligation Bonds.)
     500,000    The City of New York (New York), General Obligation Bonds,         2002 at 101          AAA           Aaa
                  Fiscal 1993 Series B, 6.75% Due 10/1/17.                             1/2
     500,000    New York City (New York), Municipal Water Finance Authority,       2004 at 101          AAA           Aaa
                  Water and Sewer System Revenue Bonds, Fixed Rate Fiscal
                  1994 Series B, 5.50% Due 6/15/19.
     500,000    Metropolitan Transportation Authority, New York, Commuter          2004 at 101          AAA           Aaa
                  Facilities Revenue Bonds, Series 1994A, 6.50% Due 7/1/24.            1/2
  ----------
  $3,500,000
  ----------
  ----------
</TABLE>
 
<PAGE>
- --------------------------------------------------------------------------------
UNIT PRICE, ESTIMATED CURRENT RETURN AND ESTIMATED LONG TERM RETURN DEPEND ON
AMOUNT PURCHASED AND PAYMENT OPTION
Sales charge/volume discount applies on all concurrent purchases of any Nuveen
trust units. Estimated Current Return equals net income divided by offering
price. Estimated Long Term Return represents an average of the yields to
maturity (or call) of the Bonds in the Trust adjusted to reflect expenses and
sales charges.
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                          Estimated Current Return (2)
                                                              -----------------------------------------------------
          AMOUNT PURCHASED                         Public
- -------------------------------------  Sales      Offering          Monthly         Quarterly       Semi-Annual
     Units              Dollars        Charge     Price (1)         Payment          Payment          Payment
- ----------------  -------------------  ------    -----------     -------------    -------------    -------------
<S>               <C>                  <C>       <C>         <C>                <C>              <C>
50-499                 $5,000-$49,999   4.90 %   $     98.03          5.88%            5.91%            5.93%
500-999                 50,000-99,999   4.75           97.88          5.89             5.92             5.94
1,000-2,499           100,000-249,999   4.50           97.62          5.90             5.94             5.95
2,500-4,999           250,000-499,999   4.25           97.37          5.92             5.95             5.97
5,000-9,999           500,000-999,999   3.50           96.61          5.96             6.00             6.02
10,000-24,999     1,000,000-2,499,999   3.00           96.11          6.00             6.03             6.05
25,000-49,999     2,500,000-4,999,999   2.50           95.62          6.03             6.06             6.08
50,000 and over    5,000,000 and over   2.00           95.13          6.06             6.09             6.11
</TABLE>
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         Estimated Long Term Return (3)
                                                              -----------------------------------------------------
          AMOUNT PURCHASED                         Public
- -------------------------------------  Sales      Offering          Monthly         Quarterly       Semi-Annual
     Units              Dollars        Charge     Price (1)         Payment          Payment          Payment
- ----------------  -------------------  ------    -----------     -------------    -------------    -------------
<S>               <C>                  <C>       <C>         <C>                <C>              <C>
50-499                 $5,000-$49,999   4.90 %   $     98.03          5.98%            6.01%            6.03%
500-999                 50,000-99,999   4.75           97.88          5.99             6.02             6.04
1,000-2,499           100,000-249,999   4.50           97.62          6.01             6.04             6.06
2,500-4,999           250,000-499,999   4.25           97.37          6.02             6.05             6.07
5,000-9,999           500,000-999,999   3.50           96.61          6.07             6.10             6.12
10,000-24,999     1,000,000-2,499,999   3.00           96.11          6.10             6.13             6.15
25,000-49,999     2,500,000-4,999,999   2.50           95.62          6.13             6.16             6.18
50,000 and over    5,000,000 and over   2.00           95.13          6.16             6.19             6.21
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
(1) As of the business day prior to the Date of Deposit. Units are offered at
    the Public Offering Price plus accrued interest.
(2) All figures as of the business day prior to Date of Deposit. The estimated
    current return for purchases made on such date will be as shown, as long as
    the portfolio size and composition remain the same.
(3) In contrast to Estimated Current Return, Estimated Long Term Return reflects
    the amortization of premium or accretion of discount, if any, on the bonds
    in the Trust's portfolio.
 
- --------------------------------------------------------------------------------
 
INTEREST DISTRIBUTIONS TO UNITHOLDERS   Unitholders may elect to have interest
distributions made on a monthly, quarterly, or semi-annual basis. Record Dates
are May 1 and November 1 for semi-annual distributions; February 1, May 1,
August 1 and November 1 for quarterly distributions; and the first of each month
for monthly distributions. Details of interest distributions per unit under the
various plans appear in the following table based upon estimated net annual
interest income at the Date of Deposit:
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                          Normal
                                                                                                      Distributions
New York Insured Trust                    1994                             1995                         per Year +
<S>                                     <C>            <C>            <C>            <C>            <C>
- ----------------------------------------------------------------------------------------------------  --------------
Record Date*..........................       11/1            2/1            5/1            8/1
Distribution Date.....................      11/15           2/15           5/15           8/15
- --------------------------------------------------------------------------------------------------------------------
Monthly Distribution Plan.............  $   .3040(1)                                                  $  5.7618
                                                          --------  $.4800 every month  --------
Quarterly Distribution Plan...........  $   .3040(1)   $  1.4481(2)   $  1.4481      $  1.4481        $  5.7938
Semi-Annual Distribution Plan.........  $   .3040(1)                  $  2.9052(3)                    $  5.8128
- --------------------------------------------------------------------------------------------------------------------
<FN>
  * Record Dates for semi-annual distributions are May 1 and November 1; for quarterly distributions, they are February 1, May 1,
    August 1 and November 1. Record Dates for monthly distributions are the first day of each month.
(1) The first distribution will be paid to all Unitholders, regardless of the distribution plan selected. Such distribution may
    be more or less than a regular monthly distribution.
(2) Regular 3-month distribution.
(3) Regular 6-month distribution.
</TABLE>
 
+ Interest for Unitholders of this series began to accrue as of the Date of
Deposit. Units purchased on the Date of Deposit will have $.11 of accrued
interest that will be added to the Public Offering Price on the Settlement Date.
After provision for expenses of the Fund, the daily rate of accrual from the
Date of Deposit to the first Record Date is $.01600 per unit per day.
Consequently, on the first Record Date (11/01/94), accrued interest will total
$0.3040 per unit for the 19-day period. All interest accrued from the Date of
Deposit to the first Record Date, less expenses, will be distributed on the
first Distribution Date to Unitholders of Record as of the first Record Date.
The first payment to all Unitholders of Record on 11/01/94 is $.3040 per unit.
After the first Record Date daily rates of accrual are:
              Monthly - $0.01600              Quarterly - $0.01609
                             Semi-Annual - $0.01614
This daily rate of accrual, and the annual distributions shown above, will
remain the same as long as the portfolio size and composition remain the same.
 
- --------------------------------------------------------------------------------
 
                                                          757
<PAGE>
- -------------------------------------------------------
 
AVERAGE PORTFOLIO LIFE   The average maturity of portfolio bonds is 26.8 years.
The first bond is scheduled to mature in October, 2017, with the last bond
maturity being August, 2024.
 
- -------------------------------------------------------
 
BONDS INSURED BY MBIA   Each bond in this Nuveen Insured series has been
insured* by the Municipal Bond Investors Assurance Corporation, which guarantees
timely payments of principal and interest. Premium payments have been fully paid
by the Date of Deposit.
 
- -------------------------------------------------------
 
CALL PROTECTION   Bonds are first subject to optional redemption by the issuers
in the years and at the prices shown under the Redemption Provisions column in
the Schedule of Investments. Unless otherwise stated, in subsequent years, bonds
are redeemable at declining prices, but not usually below par value. Some issues
or some portions of issues may also be subject to sinking fund redemption or
extraordinary redemption without premium prior to the dates shown.
 
- -------------------------------------------------------
 
NO CHARGE FOR REDEMPTION   The Trustee, United States Trust Company of New York,
will redeem units at net asset value. In addition, John Nuveen & Co.
Incorporated intends to maintain a secondary market for this Nuveen Tax-Exempt
Unit Trust. Inasmuch as all securities investments are subject to market price
fluctuation, net asset value at the time of redemption could be more or less
than the initial investment.
 
- -------------------------------------------------------
 
REINVESTMENT OPTIONS   Specify automatic reinvestment of trust income, with no
sales charge, to earn compounded dividends with Nuveen mutual funds.
 
- -------------------------------------------------------
 
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER AGENCY AND
INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.
 
- -------------------------------------------------------
 
* Insurance relates specifically to the bonds and not to the units or to the
  market value of units. Terms of the insurance are more fully described in the
  prospectus. No representation is made as to the insurer's ability to meet its
  commitments. See Section 5 of the prospectus for details.
 
- -------------------------------------------------------
 
FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION, INCLUDING CHARGES AND
EXPENSES, ON THIS NUVEEN TAX-EXEMPT UNIT TRUST AND ANY OTHER NUVEEN FUND, CALL
YOUR BROKER . . . OR NUVEEN AT
 
                                 1-800-257-8787
<PAGE>
READ THE PROSPECTUS CAREFULLY BEFORE YOU INVEST OR SEND MONEY.


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